Semtech's Advanced High Brightness LED Driver Platform Enables Design Of Ultra-Thin Displays While Extending Battery Life

Semtech Corporation (Nasdaq:SMTC), a leading supplier of analog and mixed-signal semiconductors, today launched two new devices in its high-brightness LED (HB LED) driver platform.

The SC5014 and SC5014A are 4-channel and 2-channel (respectively), HB LED drivers designed to dramatically reduce display thickness in mid-size consumer and industrial displays by enabling the use of tiny inductors, while offering competitive efficiency. Advanced control architecture allows designers to further enhance the efficiency by 4 percent through the use of a standard inductor.

“Our new SC5014 and SC5014A white LED drivers are extremely flexible and powerful solutions for medium-sized display backlighting,” said Andy Khayat, Senior Business Unit Director for Consumer Power in Semtech’s Power Management Group. “The small size, high output power rating and extensive control features of these new products enable designers to meet the toughest display design challenges.”

Both devices provide extensive control and protection features such as pulse-width modulation (PWM) and I2C-controlled dimming, open/shorted LED, adjustable over-voltage (OVP), over-temperature and under-voltage lock-out (UVLO).

Key Features of SC5014, SC5014A

• Wide V _IN range: 4.5V to 27V
• High V _OUT range: up to 50V
• Use ultra-thin, 2.2µH inductors (1mm height)
• SC5014: 4-ch, up to 56 LEDs at 120mA/ch, phase-shifted dimming
• SC5014A: 2-ch LED driver, up to 28 LEDs at 240mA/ch, non-phase-shifted dimming
• High efficiency up to 92%
• Wide dimming range up to 5000:1 at 200kHz PWM input
• +/-1 percent channel current matching for uniform display brightness
• Reduced BOM: only one inductor, one external FET, no external compensation components
• Package: 20-pin QFN (4 mm x 4 mm x1 mm), RoHS and WEEE compliant

Applications

Ultrabook PCs and all-in-one PCs: LCD Display and Backlight

Monitors and small HDTVs: LCD Display & Backlight

Industrial displays: LCD Display & Backlight

Automotive displays: Audio/Video/Navigation, Seatback Infotainment

Pricing and Availability

The SC5014 and SC5014A are available immediately in production quantities. The SC5014 (ordering code SC5014MLTRT) and the SC5014A (ordering code SC5014AMLTRT) are both priced at $1.69 each in 3,000 piece lots. Evaluation boards (order codes SC5014EVB and SC5014AEVB), comprehensive design assistance including field and factory-based support, data sheets, volume pricing, delivery quotes and samples are available at http://www.semtech.com/info.

About Semtech

Semtech Corporation is a leading supplier of analog and mixed-signal semiconductors for high-end consumer, computing, communications and industrial equipment. Products are designed to benefit the engineering community as well as the global community. The company is dedicated to reducing the impact it, and its products, have on the environment. Internal green programs seek to reduce waste through material and manufacturing control, use of green technology and designing for resource reduction. Publicly traded since 1967, Semtech is listed on the NASDAQ Global Select Market under the symbol SMTC. For more information, visit http://www.semtech.com.

Semtech and the Semtech logo are registered marks of Semtech Corporation.

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